NoSQL: The Magic Bullet

Many have this belief that noSQL will be their magic bullet. Their salvation to a failing system. Their redemption to slow response times. Yet, nine times out of ten the issue is not with their current solution. It is due to poor design, or in most cases, inaccurate data models. With noSQL, the way data… Read More »

IoT is the Space to Play

With the growth in IoT, this field is going to explode over the next few years. Today they are predicting: 25-200 billion connected devices by 2020, over $300 billion in projected revenue, an expected growth rate of 20% within corporate budgets by 2018, and a 17.5% growth rate of connected devices over the next seven… Read More »

Free Textbooks: Computer Science

source Free textbooks (aka open textbooks) written by knowledgable scholars are a relatively new phenomenon. Below, find a meta list of Free Computer Science Textbooks, part of our larger collection 200 Free Textbooks: A Meta Collection. Also see our online collection, 1000 Free Online Courses from Top Universities. A Byte of Python, by Swaroop C H… Read More »

Why Redis beats Memcached for Caching

Why Redis beats Memcached for Caching source Memcached or Redis? It’s a question that nearly always arises in any discussion about squeezing more performance out of a modern, database-driven Web application. When performance needs to be improved, caching is often the first step employed, and Memcached and Redis are typically the first places to… Read More »

Former Facebook Engineers Streamlining Big Data

Former Facebook Engineers Emerge from Stealth with Simplified Big Data Approach source The latest startup emerging from stealth mode to simplify Big Data analytics is Interana Inc., founded by engineers from Facebook Inc. with the goal of providing the same cutting-edge data tools used by the Web giants to companies of all sizes. After… Read More »

New App for Apache Spark

H2O Announces Sparkling Water – The Killer App for Apache Spark source SAN FRANCISCO–(BUSINESS WIRE)–H2O announced today the introduction of Sparkling Water, the latest innovation to combine two best-of-breed open source technologies Apache Spark and H2O. Sparkling Water is the newest application on the Apache Spark in-memory platform to extend Machine Learning for better… Read More »

Move a Gitlab Repo

The directions are not in actual order, hence a little modification to them for an easy move. By default, omnibus-gitlab stores Git repository data under /var/opt/gitlab/git-data: repositories are stored in /var/opt/gitlab/git-data/repositories, and satellites in /var/opt/gitlab/git-data/gitlab-satellites. You can change the location of the git-data parent directory by adding the following line to /etc/gitlab/gitlab.rb. 1 sudo… Read More »

Five Reasons HPC Startups will Explode

Five Reasons Why High Performance Computing Startups will Explode in 2015 source 1. The size of the social networks grew beyond any rational expectations Facebook(FB) official stats state that FB has 1.32 billion and 1.07 billion mobile monthly active users. Approximately 81.7% are outside the US and Canada. FB manages a combined of 2.4… Read More »

Open Source Monitoring Tools

7 killer open source monitoring tools source: Network and system monitoring is a broad category. There are solutions that monitor for the proper operation of servers, network gear, and applications, and there are solutions that track the performance of those systems and devices, providing trending and analysis. Some tools will sound alarms and notifications… Read More »